1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.captcha;
24  
25  import com.liferay.portal.kernel.captcha.CaptchaUtil;
26  import com.liferay.portal.util.PortalUtil;
27  
28  import javax.servlet.http.HttpServletRequest;
29  import javax.servlet.http.HttpServletResponse;
30  
31  import org.apache.struts.action.Action;
32  import org.apache.struts.action.ActionForm;
33  import org.apache.struts.action.ActionForward;
34  import org.apache.struts.action.ActionMapping;
35  
36  /**
37   * <a href="CaptchaPortalAction.java.html"><b><i>View Source</i></b></a>
38   *
39   * @author Brian Wing Shun Chan
40   */
41  public class CaptchaPortalAction extends Action {
42  
43      public ActionForward execute(
44              ActionMapping mapping, ActionForm form, HttpServletRequest request,
45              HttpServletResponse response)
46          throws Exception {
47  
48          try {
49              CaptchaUtil.serveImage(request, response);
50          }
51          catch (Exception e) {
52              PortalUtil.sendError(e, request, response);
53          }
54  
55          return null;
56      }
57  
58  }